13 kinds of aldehydes and ketones in automobile exhaust

Mobile phase: A: water, B: acetonitrile

Flow rate: 1.5mL/min

Wavelength: 360nm

Injection volume: 10µL

Column temperature: 40℃

1-formaldehyde, 2-acetaldehyde, 3-acrolein+acetone, 4-propionaldehyde, 5-crotonaldehyde, 6-butanone+butyraldehyde, 7-methacrolein,

8-benzaldehyde, 9-valeraldehyde, 10-m-tolualdehyde, 11-hexanal